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Oil Change

  • Thread starter Thread starter SEAWISE
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SEAWISE

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Apr 12, 2005
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51
Hatteras Model
41' CONVERTBLE-Series I (1964 - 1971)
I have been looking at the oil changing devices. I am undecided which one to buy. Anyone have any experience with one of these products.
Thanks
cy
 
I don't know the make of my change pump. In fact, it may be homemade. It is a large 110v pump with a copper manifold attached to it. Each valve on the manifold is plumbed to a different thing, ie: Stb engine, stb trans, gen, etc. It works great and I can even refill with it by just switching the 3-way toggle to reverse. Maybe someone else has this setup and can tell you who makes it.
 
I have a similar setup w/ the manifold plumbed to the mains, trannies and generator. It looks like a do it yourself w/ the Reverso pump at the heart of the system. IMHO it is a must. Anything that makes the maintenance easier to do, will make it more likely that it will get done on time.
 
And mine sounds similar as well - appears to be homemade and works fine.
 
Well I was thinking more in line of the portable units that folks like West Marine and such are selling. You know the ones that stick the tube in the dip stick tube. But what you are saying has picked my curiosity. Is the plumbing on your permanent systems flexible or copper or what? I am assuming that these systems draw the old oil out of where the drain plug used to be? But you are right the easier it is the more likely it is the fluids would be changed. I changed the coolant on “one” of the 3116’s on my 34C Saturday. I could not get the bucket I was using positioned upright so I could utilize the entire capacity of the bucket. I had to tilt it to one side and could only get about a gallon and a half or maybe two gallons at a time without it running over. I had to climb out of the bilge four times. Now that is no easy task for me. (O&F) Now if I had taken two buckets into the bilge the problem would have been solved. Of course there was not another bucket for 100 miles. So as usual no matter how well I try to prepare, I never have everything I need on projects like this. I suppose I am the only one that happens to. Anyway it was hot and humid, (Louisiana) and by the time I was finished I was wasted. It would have been nice to turn a valve, push a button, and “swoosh” over with! I think I will do a little looking on E-Bay for a oil pump.
Thanks
Cy

PS (O&F) = Old and Fat
 
My system uses hose with hose clamps, (not hose fittings). THere is just a simple log manifold that is made up from parts easily available at any plumbing supply place or Home Despot. It has a valve for each engine and the (gear-type) pump is reversible so it can, in theory, pump in either direction. It is not currently connected to the genny but could be - there is a hose running to the genny compartment but not connected to the genny or the oil changer.

Removing oil works very well, assuming you run the engines to normal temp before extracting the oil. However, it doesn't work very well for putting in new oil because it is too thick (cold) to pump.

I use an old, empty 5 gal oil pail to collect the old oil - I keep one on the boat. One pail will collect all the oil that can be removed from the 8V71TI.

On my previous boat I used a portable system that consisted of a 12V pump mounted on top of a 5 gal pail. I don't remember the brand but it worked fine. The only problem with it was that with the pump on top, it was very top-heavy when empty. Several times it tipped over in the car and spilled oil that remained in the bottom of the container after it was pumped into another container.
 
My 34C has a Reverso pump permanently installed. It has a manifold with selector valves for both engines and generator. It is gear driven and therefore very simple. Empties out my Yanmars in short order (5 1/2 gallons). The hoses from the engines and genny to the pump are rubber so they are flexible. The system cost $500 for installation when I put in the new engines 2 1/2 years ago.
 
My oil change system is made by Groco. Check West Marine Model # 193005. (Groco #CMX3-60). Works great and can reverse the switch to pump oil back into the engines and genny!
 
I have the Reverso system. It is just okay. It does the job but I find every year it wants a new impeller. Considering it only gets used once or twice a year I think this is ridiculous. NB: I don't use it to put the oil back in, only to suck it out. The oil I use only comes in 1 gal containers so no problem there.
I had a Groco a few years back, which never worked right and finally ended up going back to them for a refund. They have improved their design and are better now.
Even when they act up, these systems are far better than trying to suck 26 quarts of hot oil out of an engine, and of course I've got two of them. The hardest part is getting the FULL buckets up out of the engine room.
Incidentally, my oil change system is plumbed in permanently but not hardwired. I use a cable which plugs into the pump and has clips to hook onto the genset battery. I decided not to leave anything wired in that could drain the oil out of the engines, even though the valves are kept closed.
 
Has anyone tried the Gulf Coast filters that are supposed to extend the oil life by keeping the oil clean? They claim to keep the oil as clean as it came from the can. The only oil you use is what is consummed by changing the filter.
 
Thanks for all the replys on the “Oil Change” subject. I think this is something I can do and sounds like a good winter project.

Now on to bigger and better things.:
I just want to step up on the soap box for a moment. I got a grip! I dare say 90% of the guys on this site have at one time or another bought something from West Marine. I know I just bought a handheld radio a couple of weeks ago. Defender Marine is another, probally not as widely used as West Marine but still they depend on us “boaters” to pay the bills. Okay here is my grip. I was looking to buy a LP gas detector. I have been doing a little online comparing. The unit I have been compareing is the following:

(Trident Marine L.P. Gas Control/ Detection System 1300-7757.5)


It is carried by Defender for $249.99 you can check it out at the following

http://www.defender.com/product.jsp?path=-1|406|301237|322410&id=58886


Also carried by good old West Marine for $154.99. Check it out at the following

http://www.westmarine.com/webapp/wc...reId=10001&langId=-1&productId=9122&ref=81902


Now get this it is also carried by a web site called Asena Shop for get this $99.95

http://www.asenashop.com/ivn/pr-0/9126.html

And I am fixing to bid on one that Asena has on E-Bay for $79.99 and I most likely will get it. There feed back is outstanding. Same product, same part number. Same old screwing, same old companies. I’m sorry guys, but this burns me up. I suppose I expect a “little” loyalty in return for my loyalty to these companies and I don’t see it. I mean if Asena can sell this product for $79.99 and makes a profit, then just look at the profit West Marine and even more at what Defender is making off of there marine customers. Sorry, okay I got it off my chest. Now you can go to E-bay site and see if I won.

http://cgi.ebay.com/ebaymotors/New-...ryZ26449QQrdZ1QQcmdZViewItem#ebayphotohosting
 
What else is new?

If you have "marine" in the name everything gets a 300% markup.

You think that's bad, just try dealing with the attitude.

Its (almost) enough to make you sell the boat and take up RVing.
 
West Marine is the worst, and worse yet now that they bought BoatUS which was their chief competition. This was after they bought up E&B (remember them?) It is a positive pleasure to find other places to get stuff, especially for a lot less money. One of the good things about forums such as this is that good deals get passed around. I will say this: most of the sales staff at West seem generally to know their business, which was not the case at BoatUS which often had people there who knew far less than I. (which is not much I hasten to add).
 
I agree, West and the others will dig deep into our pockets if we let them.
 
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I have often found that Boater's World can beat West Marines price by 15-30% ... BUT not always ... sometimes West is less. I compare catalog prices first!
 
I agree, I always check the catalogue prices before I buy.
 
I won’t use the oil drain pump to put oil back in. It just doesn’t seem right to me. I’d be worried about contamination…
 
I bought the Shur Flo (I think that's the name) from West Marine (It was about $150). It comes wiith a 4 gallon bucket with the pump mounted on top. I have used it once since I got it, and it worked great for me. For what it's worth, I keep 4 empty gallon oil containers so that I can use the reverse pump on the system, and have a place for all of my used oil (4 gals. in the containers, and the other 1 gallon stays in the bucket). Then of course when I've put new oil back in that engine, I have those empties for the rest of the job (the other main diesel and genset).

My Detroits have oil drain flexible tubes with threaded plugs that are mounted on the bottom of the pans, so am able to use larger diameter tubing than the "standard" tubing that came with the oil change system.
 
Contamination? You can never get all of the old oil out of the bottom of the pan. All reversing does is to pump a few drops of the old oil back in that was in the line. I am always careful not to let the end of the hose get any dirt or grit on it, so I don't see what the harm would be.
 
Contamination from the old oil that is still in the line and any particles that the pump may be throwing off.

Perhaps there isn’t enough left in the line to make a difference. I don’t know. We go through a lot of trouble keeping the oil clean, testing, etc. It just doesn’t make sense to me to bring the clean oil in through a device that we just took the oil (dirty) oil out.

I’d rather pour it in.
 
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